US Bridges

Harding County, South Dakota bridges

Harding County has 49 bridges and culverts in the National Bridge Inventory, the oldest built in 1936. 1 (2%) are rated poor. The most common type is culvert (37%).

Bridges
49
Good
51%
Fair
47%
Poor
2%
1 bridges
Average age
39.5 yrs
Posted or closed
2

Map of bridges in Harding County

Green good, amber fair, red poor. Click a marker for details.

Search bridges in Harding County

Type at least two characters, or pick a condition or type, to search every bridge in the county.

Condition

2%poor
Good51%(25)
Fair47%(23)
Poor2%(1)

When they were built

<1900: 0 bridges<19001900s: 0 bridges19001910s: 0 bridges19101920s: 0 bridges19201930s: 1 bridges119301940s: 0 bridges19401950s: 2 bridges219501960s: 15 bridges1519601970s: 6 bridges619701980s: 4 bridges419801990s: 3 bridges319902000s: 7 bridges720002010s: 7 bridges720102020s: 4 bridges42020
Bridges built per decade. Year built as recorded in the inventory; reconstruction years are not included.

Busiest

  1. US085 over South Fork Grand Rv
    1,484 vehicles/day
    Fair
  2. US085 over Buffalo Ck
    1,330 vehicles/day
    Fair
  3. US085 over Sheep Ck
    1,248 vehicles/day
    Fair
  4. US085 over Jones Ck
    1,248 vehicles/day
    Fair
  5. US085 over Bull Ck
    1,248 vehicles/day
    Fair

Longest

  1. SD079 over South Fork Grand Rv
    460 ft
    Fair
  2. FAS 6313 over Boxelder Ck
    300 ft
    Good
  3. SD020 over Little Missouri Rv
    263 ft
    Good
  4. US085 over South Fork Grand Rv
    255 ft
    Fair
  5. SD079 over Big Nasty Ck
    234 ft
    Fair

Oldest

  1. Old HWY 85 over Sheep Ck
    Built 1936
    Poor
  2. SD079 over South Fork Grand Rv
    Built 1957
    Fair
  3. SD020 over Gap Ck
    Built 1959
    Fair
  4. US085 over Jones Ck
    Built 1960
    Fair
  5. US085 over Bull Ck
    Built 1960
    Fair

All bridges in Harding County

Busiest first · showing 1–49 of 49
Bridges in Harding County
BridgeLocationBuiltTypeLengthDaily trafficCondition
US085 over South Fork Grand Rv
No. 000000032250257
0.2 S JCT Sd 20 W1963Stringer/Multi-beam or Girder255 ft1,484Fair
US085 over Buffalo Ck
No. 000000032250300
2.9 S JCT Sd 20 E1964Slab106 ft1,330Fair
US085 over Sheep Ck
No. 000000032257223
3.6 N of Buffalo1963Slab106 ft1,248Fair
US085 over Jones Ck
No. 000000032280182
8.9 NE of Buffalo1960Slab117 ft1,248Fair
US085 over Bull Ck
No. 000000032305144
13.6 NE of Buffalo1960Slab117 ft1,248Fair
US085 over North Br Moreau Rv
No. 000000032250411
10 N Butte CO Line1974Stringer/Multi-beam or Girder167 ft1,190Fair
US085 over Sand Ck
No. 000000032250478
17 S JCT Sd 20 E1974Slab175 ft1,190Fair
US085 over Big Nasty Ck
No. 000000032327097
9.7 S North Dakota Line1960Slab117 ft1,075Fair
US085 over Crooked Ck
No. 000000032330029
2.9 S North Dakota Line1973Slab132 ft1,075Fair
SD079 over South Fork Grand Rv
No. 000000032517215
6.5 N JCT Sd 201957Stringer/Multi-beam or Girder460 ft364Fair
SD079 over Big Nasty Ck
No. 000000032518145
13.7 N JCT Sd 201962Stringer/Multi-beam or Girder234 ft364Fair
SD079 over Ck
No. 000000032520136
14.2 S North Dakota Line1962Slab83 ft364Good
SD079 over Ck
No. 000000032520166
11.6 N JCT Sd 201962Slab83 ft364Good
SD079 over North Fork Grand Rv
No. 000000032531001
0.1 S North Dakota Line1966Stringer/Multi-beam or Girder214 ft364Fair
SD079 over Moreau Rv
No. 000000032423471
21.4 S JCT Sd 201964Stringer/Multi-beam or Girder138 ft356Fair
SD020 over Rush Ck
No. 000000032242255
0.9 W of Buffalo1975Slab106 ft342Fair
SD020 over Clarks Fork Ck
No. 000000032339272
8.8 E JCT US 851995Slab215 ft191Good
SD020 over Squaw Ck
No. 000000032369280
12.0 E JCT US 851994Culvert31 ft191Good
SD020 over Sioux Ck
No. 000000032395284
14.8 E JCT US 852021Culvert42 ft191Good
SD020 over Gap Ck
No. 000000032451284
2.1 W JCT Sd 79 S1959Stringer/Multi-beam or Girder167 ft191Fair
Camp Crook Road over Ck
No. 000000032040405
12.5 South Camp Crook1985Tee Beam40 ft180Fair
Cox Road over Crooked Ck
No. 000000032268030
5 N 6.2 W Ludlow2016Culvert39 ft139Fair
Cave Hill RD over Bull Ck
No. 000000032220105
6 E 2 S Ladner1977Tee Beam100 ft131Fair
SD020 over Little Missouri Rv
No. 000000032043278
4.2 E Montana State Line2021Stringer/Multi-beam or Girder263 ft112Good
SD020 over Valley Ck
No. 000000032051277
5.0 E Montana State Line2021Stringer/Multi-beam or Girder154 ft112Good
SD020 over Brush Ck
No. 000000032215255
3.5 W of Buffalo1975Slab145 ft112Fair
Camp Crook RD over Ck
No. 000000032040232
2.2N & 21.0W Buffalo1960Stringer/Multi-beam or Girder31 ft97Fair
Ludlow RD over Coal Bank Ck
No. 000000032395080
6.5 E Ludlow1987Tee Beam30 ft91Good
Ludlow RD over Lems Ck
No. 000000032412080
8.2 E Ludlow1987Tee Beam50 ft91Good
Cox RD over Crooked Ck
No. 000000032305028
5.2 N 2.5 W Ludlow2016Culvert48 ft87Good
Harding RD over Valley Ck
No. 000000032110308
6.9E & 3.0S Camp Crook2004Culvert29 ft75Good
Lewton RD over Slick Ck
No. 000000032010197
3.0W & 7.7N C.Crook2012Culvert25 ft70Good
N. Camp Crook RD over Slick Ck
No. 000000032040196
5.9N & 21.0W Buffalo2015Culvert29 ft64Good
Old HWY 85 over Boxelder Ck
No. 000000032280212
3.0E & 4.3N Buffalo2021Culvert23 ft60Good
Old HWY 85 over Sheep Ck
No. 000000032280223
3.0E & 3.2N Buffalo1936Stringer/Multi-beam or Girder78 ft60Poor
Camp Crook RD over South Fork Moreau Rv
No. 000000032067483
20.3 S & 2.6 E Camp Crook1999Culvert25 ft50Good
River Road over Little Missouri Rv
No. 000000032082122
3.7S 7.8W Ladner2006Culvert21 ft45Good
Ladner Road over Dry House Ck
No. 000000032091120
3.5 S 6.9 W Ladner2003Culvert25 ft45Good
Park RD over West Squaw Ck
No. 000000032360305
2.5S & 11.5W of Reva2008Culvert29 ft45Good
Camp Crook RD over North Fork Stick Ck
No. 000000032040192
8.4 N Camp Crook2001Culvert25 ft44Good
Camp Crook RD over Shaw Ck
No. 000000032050101
11 W 1.6 S Ladner1961Culvert22 ft36Good
Harding Cut-Off over Katy Ck
No. 000000032122467
12.9 W 0.3 N Redig1961Culvert45 ft36Fair
Marty RD over North Fork Moreau Rv
No. 000000032446480
19.6E 1.0S of Redig1986Stringer/Multi-beam or Girder79 ft31Fair
Redig RD over Ck
No. 000000032397470
14.7 E Redig2018Culvert29 ft28Good
FAS 6313 over Boxelder Ck
No. 000000032036001
11 W 7.9 N Ladner2013Stringer/Multi-beam or Girder300 ft25Good
Gilbert Hett RD over Trib. to Grand River
No. 000000032178310
7.1W & 5.5S Buffalo2008Culvert29 ft25Good
Wagner RD over Big Nasty Ck
No. 000000032480124
0.4 S of Ralph2017Stringer/Multi-beam or Girder134 ft23Good
Harding RD over South Fork Moreau Rv
No. 000000032135495
11.5 W 2.5 S Redig1961Slab119 ft22Fair
Sorum RD over Point Ck
No. 000000032482340
6.0S 0.7E Reva2006Culvert29 ft9Good

Structure types in Harding County

Culvert1836.7%
Stringer/Multi-beam or Girder1428.6%
Slab1326.5%
Tee Beam48.2%

Other counties in South Dakota